| 词汇 | pH |
| 释义 | pHChemistry pH /piː ˈeɪtʃ/ (also pH value) noun [singular] HCa number on a scale of 0 to 14 which shows how acid or alkaline a substance is 酸碱度，ph值 → litmus test pH of soil with a pH of 3.1 酸碱度为3.1的土壤 (1900-2000) German potenz “power” + H, sign for hydrogen |
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